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				https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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	 1da177e4c3
			
		
	
	
		1da177e4c3
		
	
	
	
	
		
			
			Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
		
			
				
	
	
		
			719 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			719 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * include/asm-generic/xor.h
 | |
|  *
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|  * Generic optimized RAID-5 checksumming functions.
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|  *
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|  * This program is free software; you can redistribute it and/or modify
 | |
|  * it under the terms of the GNU General Public License as published by
 | |
|  * the Free Software Foundation; either version 2, or (at your option)
 | |
|  * any later version.
 | |
|  *
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|  * You should have received a copy of the GNU General Public License
 | |
|  * (for example /usr/src/linux/COPYING); if not, write to the Free
 | |
|  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 | |
|  */
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| 
 | |
| #include <asm/processor.h>
 | |
| 
 | |
| static void
 | |
| xor_8regs_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		p1[0] ^= p2[0];
 | |
| 		p1[1] ^= p2[1];
 | |
| 		p1[2] ^= p2[2];
 | |
| 		p1[3] ^= p2[3];
 | |
| 		p1[4] ^= p2[4];
 | |
| 		p1[5] ^= p2[5];
 | |
| 		p1[6] ^= p2[6];
 | |
| 		p1[7] ^= p2[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		p1[0] ^= p2[0] ^ p3[0];
 | |
| 		p1[1] ^= p2[1] ^ p3[1];
 | |
| 		p1[2] ^= p2[2] ^ p3[2];
 | |
| 		p1[3] ^= p2[3] ^ p3[3];
 | |
| 		p1[4] ^= p2[4] ^ p3[4];
 | |
| 		p1[5] ^= p2[5] ^ p3[5];
 | |
| 		p1[6] ^= p2[6] ^ p3[6];
 | |
| 		p1[7] ^= p2[7] ^ p3[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		p1[0] ^= p2[0] ^ p3[0] ^ p4[0];
 | |
| 		p1[1] ^= p2[1] ^ p3[1] ^ p4[1];
 | |
| 		p1[2] ^= p2[2] ^ p3[2] ^ p4[2];
 | |
| 		p1[3] ^= p2[3] ^ p3[3] ^ p4[3];
 | |
| 		p1[4] ^= p2[4] ^ p3[4] ^ p4[4];
 | |
| 		p1[5] ^= p2[5] ^ p3[5] ^ p4[5];
 | |
| 		p1[6] ^= p2[6] ^ p3[6] ^ p4[6];
 | |
| 		p1[7] ^= p2[7] ^ p3[7] ^ p4[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		p1[0] ^= p2[0] ^ p3[0] ^ p4[0] ^ p5[0];
 | |
| 		p1[1] ^= p2[1] ^ p3[1] ^ p4[1] ^ p5[1];
 | |
| 		p1[2] ^= p2[2] ^ p3[2] ^ p4[2] ^ p5[2];
 | |
| 		p1[3] ^= p2[3] ^ p3[3] ^ p4[3] ^ p5[3];
 | |
| 		p1[4] ^= p2[4] ^ p3[4] ^ p4[4] ^ p5[4];
 | |
| 		p1[5] ^= p2[5] ^ p3[5] ^ p4[5] ^ p5[5];
 | |
| 		p1[6] ^= p2[6] ^ p3[6] ^ p4[6] ^ p5[6];
 | |
| 		p1[7] ^= p2[7] ^ p3[7] ^ p4[7] ^ p5[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 		p5 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		d0 ^= p3[0];
 | |
| 		d1 ^= p3[1];
 | |
| 		d2 ^= p3[2];
 | |
| 		d3 ^= p3[3];
 | |
| 		d4 ^= p3[4];
 | |
| 		d5 ^= p3[5];
 | |
| 		d6 ^= p3[6];
 | |
| 		d7 ^= p3[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		d0 ^= p3[0];
 | |
| 		d1 ^= p3[1];
 | |
| 		d2 ^= p3[2];
 | |
| 		d3 ^= p3[3];
 | |
| 		d4 ^= p3[4];
 | |
| 		d5 ^= p3[5];
 | |
| 		d6 ^= p3[6];
 | |
| 		d7 ^= p3[7];
 | |
| 		d0 ^= p4[0];
 | |
| 		d1 ^= p4[1];
 | |
| 		d2 ^= p4[2];
 | |
| 		d3 ^= p4[3];
 | |
| 		d4 ^= p4[4];
 | |
| 		d5 ^= p4[5];
 | |
| 		d6 ^= p4[6];
 | |
| 		d7 ^= p4[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8;
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		d0 ^= p3[0];
 | |
| 		d1 ^= p3[1];
 | |
| 		d2 ^= p3[2];
 | |
| 		d3 ^= p3[3];
 | |
| 		d4 ^= p3[4];
 | |
| 		d5 ^= p3[5];
 | |
| 		d6 ^= p3[6];
 | |
| 		d7 ^= p3[7];
 | |
| 		d0 ^= p4[0];
 | |
| 		d1 ^= p4[1];
 | |
| 		d2 ^= p4[2];
 | |
| 		d3 ^= p4[3];
 | |
| 		d4 ^= p4[4];
 | |
| 		d5 ^= p4[5];
 | |
| 		d6 ^= p4[6];
 | |
| 		d7 ^= p4[7];
 | |
| 		d0 ^= p5[0];
 | |
| 		d1 ^= p5[1];
 | |
| 		d2 ^= p5[2];
 | |
| 		d3 ^= p5[3];
 | |
| 		d4 ^= p5[4];
 | |
| 		d5 ^= p5[5];
 | |
| 		d6 ^= p5[6];
 | |
| 		d7 ^= p5[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 		p5 += 8;
 | |
| 	} while (--lines > 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_p_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 
 | |
| 	do {
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
|  once_more:
 | |
| 		p1[0] ^= p2[0];
 | |
| 		p1[1] ^= p2[1];
 | |
| 		p1[2] ^= p2[2];
 | |
| 		p1[3] ^= p2[3];
 | |
| 		p1[4] ^= p2[4];
 | |
| 		p1[5] ^= p2[5];
 | |
| 		p1[6] ^= p2[6];
 | |
| 		p1[7] ^= p2[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_p_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 	prefetch(p3);
 | |
| 
 | |
| 	do {
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
| 		prefetch(p3+8);
 | |
|  once_more:
 | |
| 		p1[0] ^= p2[0] ^ p3[0];
 | |
| 		p1[1] ^= p2[1] ^ p3[1];
 | |
| 		p1[2] ^= p2[2] ^ p3[2];
 | |
| 		p1[3] ^= p2[3] ^ p3[3];
 | |
| 		p1[4] ^= p2[4] ^ p3[4];
 | |
| 		p1[5] ^= p2[5] ^ p3[5];
 | |
| 		p1[6] ^= p2[6] ^ p3[6];
 | |
| 		p1[7] ^= p2[7] ^ p3[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_p_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 	prefetch(p3);
 | |
| 	prefetch(p4);
 | |
| 
 | |
| 	do {
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
| 		prefetch(p3+8);
 | |
| 		prefetch(p4+8);
 | |
|  once_more:
 | |
| 		p1[0] ^= p2[0] ^ p3[0] ^ p4[0];
 | |
| 		p1[1] ^= p2[1] ^ p3[1] ^ p4[1];
 | |
| 		p1[2] ^= p2[2] ^ p3[2] ^ p4[2];
 | |
| 		p1[3] ^= p2[3] ^ p3[3] ^ p4[3];
 | |
| 		p1[4] ^= p2[4] ^ p3[4] ^ p4[4];
 | |
| 		p1[5] ^= p2[5] ^ p3[5] ^ p4[5];
 | |
| 		p1[6] ^= p2[6] ^ p3[6] ^ p4[6];
 | |
| 		p1[7] ^= p2[7] ^ p3[7] ^ p4[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_8regs_p_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 	prefetch(p3);
 | |
| 	prefetch(p4);
 | |
| 	prefetch(p5);
 | |
| 
 | |
| 	do {
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
| 		prefetch(p3+8);
 | |
| 		prefetch(p4+8);
 | |
| 		prefetch(p5+8);
 | |
|  once_more:
 | |
| 		p1[0] ^= p2[0] ^ p3[0] ^ p4[0] ^ p5[0];
 | |
| 		p1[1] ^= p2[1] ^ p3[1] ^ p4[1] ^ p5[1];
 | |
| 		p1[2] ^= p2[2] ^ p3[2] ^ p4[2] ^ p5[2];
 | |
| 		p1[3] ^= p2[3] ^ p3[3] ^ p4[3] ^ p5[3];
 | |
| 		p1[4] ^= p2[4] ^ p3[4] ^ p4[4] ^ p5[4];
 | |
| 		p1[5] ^= p2[5] ^ p3[5] ^ p4[5] ^ p5[5];
 | |
| 		p1[6] ^= p2[6] ^ p3[6] ^ p4[6] ^ p5[6];
 | |
| 		p1[7] ^= p2[7] ^ p3[7] ^ p4[7] ^ p5[7];
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 		p5 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_p_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
|  once_more:
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_p_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 	prefetch(p3);
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
| 		prefetch(p3+8);
 | |
|  once_more:
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		d0 ^= p3[0];
 | |
| 		d1 ^= p3[1];
 | |
| 		d2 ^= p3[2];
 | |
| 		d3 ^= p3[3];
 | |
| 		d4 ^= p3[4];
 | |
| 		d5 ^= p3[5];
 | |
| 		d6 ^= p3[6];
 | |
| 		d7 ^= p3[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_p_4(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 	prefetch(p3);
 | |
| 	prefetch(p4);
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
| 		prefetch(p3+8);
 | |
| 		prefetch(p4+8);
 | |
|  once_more:
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		d0 ^= p3[0];
 | |
| 		d1 ^= p3[1];
 | |
| 		d2 ^= p3[2];
 | |
| 		d3 ^= p3[3];
 | |
| 		d4 ^= p3[4];
 | |
| 		d5 ^= p3[5];
 | |
| 		d6 ^= p3[6];
 | |
| 		d7 ^= p3[7];
 | |
| 		d0 ^= p4[0];
 | |
| 		d1 ^= p4[1];
 | |
| 		d2 ^= p4[2];
 | |
| 		d3 ^= p4[3];
 | |
| 		d4 ^= p4[4];
 | |
| 		d5 ^= p4[5];
 | |
| 		d6 ^= p4[6];
 | |
| 		d7 ^= p4[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static void
 | |
| xor_32regs_p_5(unsigned long bytes, unsigned long *p1, unsigned long *p2,
 | |
| 	    unsigned long *p3, unsigned long *p4, unsigned long *p5)
 | |
| {
 | |
| 	long lines = bytes / (sizeof (long)) / 8 - 1;
 | |
| 
 | |
| 	prefetchw(p1);
 | |
| 	prefetch(p2);
 | |
| 	prefetch(p3);
 | |
| 	prefetch(p4);
 | |
| 	prefetch(p5);
 | |
| 
 | |
| 	do {
 | |
| 		register long d0, d1, d2, d3, d4, d5, d6, d7;
 | |
| 
 | |
| 		prefetchw(p1+8);
 | |
| 		prefetch(p2+8);
 | |
| 		prefetch(p3+8);
 | |
| 		prefetch(p4+8);
 | |
| 		prefetch(p5+8);
 | |
|  once_more:
 | |
| 		d0 = p1[0];	/* Pull the stuff into registers	*/
 | |
| 		d1 = p1[1];	/*  ... in bursts, if possible.		*/
 | |
| 		d2 = p1[2];
 | |
| 		d3 = p1[3];
 | |
| 		d4 = p1[4];
 | |
| 		d5 = p1[5];
 | |
| 		d6 = p1[6];
 | |
| 		d7 = p1[7];
 | |
| 		d0 ^= p2[0];
 | |
| 		d1 ^= p2[1];
 | |
| 		d2 ^= p2[2];
 | |
| 		d3 ^= p2[3];
 | |
| 		d4 ^= p2[4];
 | |
| 		d5 ^= p2[5];
 | |
| 		d6 ^= p2[6];
 | |
| 		d7 ^= p2[7];
 | |
| 		d0 ^= p3[0];
 | |
| 		d1 ^= p3[1];
 | |
| 		d2 ^= p3[2];
 | |
| 		d3 ^= p3[3];
 | |
| 		d4 ^= p3[4];
 | |
| 		d5 ^= p3[5];
 | |
| 		d6 ^= p3[6];
 | |
| 		d7 ^= p3[7];
 | |
| 		d0 ^= p4[0];
 | |
| 		d1 ^= p4[1];
 | |
| 		d2 ^= p4[2];
 | |
| 		d3 ^= p4[3];
 | |
| 		d4 ^= p4[4];
 | |
| 		d5 ^= p4[5];
 | |
| 		d6 ^= p4[6];
 | |
| 		d7 ^= p4[7];
 | |
| 		d0 ^= p5[0];
 | |
| 		d1 ^= p5[1];
 | |
| 		d2 ^= p5[2];
 | |
| 		d3 ^= p5[3];
 | |
| 		d4 ^= p5[4];
 | |
| 		d5 ^= p5[5];
 | |
| 		d6 ^= p5[6];
 | |
| 		d7 ^= p5[7];
 | |
| 		p1[0] = d0;	/* Store the result (in bursts)		*/
 | |
| 		p1[1] = d1;
 | |
| 		p1[2] = d2;
 | |
| 		p1[3] = d3;
 | |
| 		p1[4] = d4;
 | |
| 		p1[5] = d5;
 | |
| 		p1[6] = d6;
 | |
| 		p1[7] = d7;
 | |
| 		p1 += 8;
 | |
| 		p2 += 8;
 | |
| 		p3 += 8;
 | |
| 		p4 += 8;
 | |
| 		p5 += 8;
 | |
| 	} while (--lines > 0);
 | |
| 	if (lines == 0)
 | |
| 		goto once_more;
 | |
| }
 | |
| 
 | |
| static struct xor_block_template xor_block_8regs = {
 | |
| 	.name = "8regs",
 | |
| 	.do_2 = xor_8regs_2,
 | |
| 	.do_3 = xor_8regs_3,
 | |
| 	.do_4 = xor_8regs_4,
 | |
| 	.do_5 = xor_8regs_5,
 | |
| };
 | |
| 
 | |
| static struct xor_block_template xor_block_32regs = {
 | |
| 	.name = "32regs",
 | |
| 	.do_2 = xor_32regs_2,
 | |
| 	.do_3 = xor_32regs_3,
 | |
| 	.do_4 = xor_32regs_4,
 | |
| 	.do_5 = xor_32regs_5,
 | |
| };
 | |
| 
 | |
| static struct xor_block_template xor_block_8regs_p = {
 | |
| 	.name = "8regs_prefetch",
 | |
| 	.do_2 = xor_8regs_p_2,
 | |
| 	.do_3 = xor_8regs_p_3,
 | |
| 	.do_4 = xor_8regs_p_4,
 | |
| 	.do_5 = xor_8regs_p_5,
 | |
| };
 | |
| 
 | |
| static struct xor_block_template xor_block_32regs_p = {
 | |
| 	.name = "32regs_prefetch",
 | |
| 	.do_2 = xor_32regs_p_2,
 | |
| 	.do_3 = xor_32regs_p_3,
 | |
| 	.do_4 = xor_32regs_p_4,
 | |
| 	.do_5 = xor_32regs_p_5,
 | |
| };
 | |
| 
 | |
| #define XOR_TRY_TEMPLATES			\
 | |
| 	do {					\
 | |
| 		xor_speed(&xor_block_8regs);	\
 | |
| 		xor_speed(&xor_block_8regs_p);	\
 | |
| 		xor_speed(&xor_block_32regs);	\
 | |
| 		xor_speed(&xor_block_32regs_p);	\
 | |
| 	} while (0)
 |